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70705052217 = 32538312011487
BaseRepresentation
bin100000111011001011…
…0010111101000111001
320202111120000210200200
41001312112113220321
52124300443132332
652251554352413
75052065012322
oct1016626275071
9222446023620
1070705052217
1127a93182258
1211852b8b709
13688a535507
1435ca507449
151c8c48017c
hex1076597a39

70705052217 has 48 divisors (see below), whose sum is σ = 105468749568. Its totient is φ = 45621388800.

The previous prime is 70705052149. The next prime is 70705052269. The reversal of 70705052217 is 71225050707.

70705052217 is a `hidden beast` number, since 7 + 0 + 70 + 50 + 522 + 17 = 666.

It is not a de Polignac number, because 70705052217 - 214 = 70705035833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70705052287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47548048 + ... + 47549534.

It is an arithmetic number, because the mean of its divisors is an integer number (2197265616).

Almost surely, 270705052217 is an apocalyptic number.

It is an amenable number.

70705052217 is a deficient number, since it is larger than the sum of its proper divisors (34763697351).

70705052217 is a wasteful number, since it uses less digits than its factorization.

70705052217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830 (or 2827 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 36.

The spelling of 70705052217 in words is "seventy billion, seven hundred five million, fifty-two thousand, two hundred seventeen".

Divisors: 1 3 9 53 83 159 249 477 747 1201 1487 3603 4399 4461 10809 13197 13383 39591 63653 78811 99683 123421 190959 236433 299049 370263 572877 709299 897147 1110789 1785887 5283199 5357661 6541313 15849597 16072983 19623939 47548791 58871817 94652011 148228621 283956033 444685863 851868099 1334057589 7856116913 23568350739 70705052217